Test kernel/kqueue/t_timer, subtests abstime, basic_timer and timer_units
often fail when run on QEMU because QEMU misses clock interrupts.

Always check timespec against expected "tv_sec" and use an

Test kernel/kqueue/t_timer, subtests abstime, basic_timer and timer_units
often fail when run on QEMU because QEMU misses clock interrupts.

Always check timespec against expected "tv_sec" and use an "4 * tv_sec"
upper bound when run under QEMU.

Now becomes part of PR kern/43997 "Kernel timer discrepancies".

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Fix a regression introduced in kern_event.c,v 1.129 that would cause
"udata" to get clobbered on ONESHOT events, and add a unit test for it.
Reported by martin@ (manifested in his case as a KASSERT()

Fix a regression introduced in kern_event.c,v 1.129 that would cause
"udata" to get clobbered on ONESHOT events, and add a unit test for it.
Reported by martin@ (manifested in his case as a KASSERT() firing when
running unit tests in COMPAT_NETBSD32).

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Add support for the EVFILT_EMPTY filter, which is activated when the
write buffer associated with the file descriptor is empty. This is
currently implemented only for sockets, and is intended primar

Add support for the EVFILT_EMPTY filter, which is activated when the
write buffer associated with the file descriptor is empty. This is
currently implemented only for sockets, and is intended primarily to
provide visibility to applications that all previously written data
has been acknowledged by the TCP layer on the receiver. Compatible
with the same filter in FreeBSD.

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Add support for the NOTE_SECONDS, NOTE_MSECONDS, NOTE_USECONDS,
NOTE_NSECONDS, and NOTE_ABSTIME filter flags to EVFILT_TIMER,
API-compatible with the same in FreeBSD.

Add a test case for the race condition in PR kern/50094, modeled after
the Go run-time scenario described in the PR.

Tab alignment

bump warns.

Unbreak the NOTE_TRACK event of EVFILT_PROC. When attaching to the child
process, proc_find can't be used as the child is still in state SIDL.

Get rid of static Atffiles and let bsd.test.mk generate them on the fly.

Add the kernel-level tests developed by Lukasz Strzygowski as part of the
atfify GSoC 2008 project.